On Mon, Sep 24, 2018 at 10:55 AM Michael Eager via Dwarf-Discuss < dwarf-discuss@lists.dwarfstd.org> wrote:
> On 09/24/2018 09:19 AM, Robert Harris via Dwarf-Discuss wrote: > >> But in general, yes, any DWARF expression that contains a DW_OP_addr > might need a relocation for its address argument. > > > > Are you aware of where in the standard this is documented? It sounds > reasonable > > but I'm returning to this after a long time and I don't remember my way > around as > > well as I used to. > > DW_OP_addr is described in Section 2.5.1.1 of the DWARF 5 Standard: > > 2. DW_OP_addr > > The DW_OP_addr operation has a single operand that encodes a > machine address and whose size is the size of an address on the > target machine. > > The most common way in which the machine address is provided as the > operand is by generating a relocatable value pointing to the target > address. This is not really a DWARF specification; it is how > relocations work in assemblers and linkers. > > Yes. This is where 7.3.1 comes in handy :) -eric
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